Very rare for a Torque shift to give it up. When was the last time you had the tranny serviced? Might not have helped in your case, but I have 142,000 miles and have an added external spin-on filter on the tranny line. Just in case.
2008 F-250 V-10 4X4 Lariat, Supercab/Shortbed, Pueblo Gold/Black, Loaded, Custom Front/Rear bumpers from South Texas Outfitters,Duraflaps, Access bed cover, Weatherguard, Air Raid, Mike's 5-Star-SCT(BAD!!), Superhides, TransferFlow 47 gal tank, Rigid LED lights, Mag-Hytec rear dif cover, Bilstein 5100 shocks, Magnaflow,Firestone Airbags,Fumoto Drain Plug.
2007 Lincoln LT-wifers(Mike's 5-Star,Magnaflow,K&N, STO Monster Bumper)
1996 Bronco EB-Almost Stock,STO Monster Bumper